# K030503: Modification to Contour Polaris Ureteral Stent

- Pathway: 510(k) (Special)
- Applicant: Boston Scientific Corp
- Decided: Mar 17, 2003 after 26 days
- Product code: FAD (Stent, Ureteral)
- Device class: 2
- Regulation: 21 CFR 876.4620
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K010002 (2001). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K010002: Contour Polaris Ureteral Stent, Boston Scientific Corp (2001)

## Most influential descendants
- K212868: JFil Ureteral Stents, JFil Ureteral Stents ECO KIT (2022), 0 descendants of its own

## Indications for use
The Loop Tail Ureteral Stent is intended to facilitate drainage from the kidney to the bladder.

Source page: https://510kreport.com/device/K030503
Methodology: https://510kreport.com/methodology